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lefttoeupdate.exe

Sice Xing

The application lefttoeupdate.exe by Sice Xing has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a scheduled task under the Windows Task Scheduler named LefttoeUpdateTaskMachineCore triggered by a time event. While running, it connects to the Internet address ip-172-26-136-19.ec2.internal on port 80 using the HTTP protocol.
Publisher:
Sice Xing  (signed and verified)

MD5:
475bdfa27b398232312c479ac6289067

SHA-1:
1ce746f252bfe39744f603c7bd7d31bc1b0a9db7

SHA-256:
111af84fcc315ec55ecea49d456e2ab78129750cd9e155e535c06bc5a9581500

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/10/2025 5:28:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Elex.SiceXing (M)
16.7.14.15

File size:
576.4 KB (590,208 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\lefttoe\update\lefttoeupdate.exe

Digital Signature
Signed by:
Sice Xing

Authority:
thawte, Inc.

Valid from:
6/29/2016 1:00:00 AM

Valid to:
4/2/2017 12:59:59 AM

Subject:
CN=Sice Xing, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
42718540F3923EE935B3B6F533A8F377

File PE Metadata
Compilation timestamp:
6/30/2016 3:39:53 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
6144:oZlx1dy8XVyccqnCfYeQ1xcfsZvY9gSESF5VIB9B7CxXjG0zVaizEbT29HcIjX7X:ovpckTZviqSF5ujWxXjGKalbaXA7i

Entry address:
0x4D8AB

Entry point:
A3, F3, 4E, 00, 00, A2, CB, B5, B4, B4, B4, 6E, A3, 58, 0C, 00, C0, 06, BF, 2F, C2, 46, 00, 00, 00, 00, 12, 14, 14, 15, 10, C0, AE, 16, 1A, B9, 88, 1B, 2F, B4, 7E, 00, 00, 00, 00, C6, 0F, 6F, 47, 60, 2F, 6F, 47, 18, 1D, 1C, C2, 63, C0, A3, EA, F7, EA, 03, 00, 78, 8E, 1B, B4, 3E, B7, 8C, 0E, B7, B4, B4, B4, B4, C6, 0E, BF, 2F, E8, 00, 00, 00, 00, B9, 88, 1B, 2F, B4, 7E, 00, 00, 00, 00, C6, 0F, 6F, 47, 60, 2F, 6F, 47, 18, 1D, 1C, C2, 63, C0, A3, EA, F7, EA, 03, 00, 78, 8E, 1B, C2, 2E, BB, B4, 3E, B7, 8C, 0E...
 
[+]

Entropy:
6.4662

Code size:
445.5 KB (456,192 bytes)

Scheduled Task
Task name:
LefttoeUpdateTaskMachineCore

Trigger:
Time


The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ip-172-26-136-19.ec2.internal  (172.26.136.19:80)

TCP (HTTP):
Connects to www.minhaoi.com.br  (200.223.247.114:80)

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